payment-processor-protocol
Payment Processor V3 background knowledge -- the NFT marketplace protocol for buying, selling, and trading ERC-721 and ERC-1155 tokens. Covers architecture, data structures, fee model, events. Use this skill whenever the user asks about NFT trading, NFT marketplaces, buying or selling NFTs, listing NFTs for sale, making offers on NFTs, sweeping collections, royalty enforcement, EIP-712 order signing, creator payment settings, or any code referencing Payment Processor at 0x9a1D00000000fC540e2000560054812452eB5366. Payment Processor is the marketplace layer for NFTs -- LBAMM and CLOB are for ERC-20C fungible tokens, not NFTs.
Ecosystem Scores - What Happened to it
Verification Signals
PROTOCOL WARRANT
This score reflects origin + ecosystem signals. It is not a code audit.
Skill Lineage Map
Spatial graph · creator origin → derivative skills